| 单词 | diaphragm |
| 释义 | diaphragm['daiəfræm]n. 横隔膜, (摄影机的)光圈【化】 隔膜; 膜片; 光阑【医】 膈; 隔膜; 光阑 diaphragm di.a.phragm AHD: [dº“…-fr²m”] D.J. [6da!*7fr#m]K.K. [6da!*7fr#m]n.（名词）1. Anatomy A muscular membranous partition separating the abdominal and thoracic cavities and functioning in respiration.Also called midriff 【解剖学】 横隔膜：一种分隔胸腔和腹腔并起呼吸作用的肌性膜隔也作 midriff2. A membranous part that divides or separates.隔膜，隔板：一个分开的膜和薄分隔板3. A thin disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electric signals, or that vibrates in response to electric signals to produce sound waves.膜片，振动板：一种薄的圆盘（尤其是在麦克风和电话收话器里那种）响应声波振动产生信号或者响应电信号振动产生声波4. A contraceptive device consisting of a thin flexible disk, usually made of rubber, that is designed to cover the uterine cervix to prevent the entry of sperm during sexual intercourse.子宫帽避孕套：通常由薄橡皮膜制成的套在子宫颈上的帽，以避免性交过程中精子的进入5. A disk having a fixed or variable opening used to restrict the amount of light traversing a lens or optical system.光圈：具有固定或可变孔的圆盘，用来限制穿过透镜或光学系统的光量语源:1. Middle English diafragma 中古英语 diafragma 2. from Late Latin diaphragma [midriff] 源自 后期拉丁语 diaphragma [横隔膜] 3. from Greek [partition] 源自 希腊语 [分割] 4. from diaphrassein [to barricade] 源自 diaphrassein [设路障] 5. dia- [intensive pref.] * see dia- dia- [细致的] *参见 dia-6. phrassein phrag- [to enclose] phrassein phrag- [包围] 继承用法:di”aphragmat“ic AHD: [-fr²g-m²t“¹k] （形容词）di”aphragmat“ically adv.（副词） |
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